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Title: A Precise Moment Distribution Method

Author(s): Joseph A. Wise

Publication: Journal Proceedings

Volume: 35

Issue: 11

Appears on pages(s): 93-112

Keywords: none

DOI: 10.14359/8481

Date: 11/1/1938

A single cycle method of moment distribution is presented. Precise carry-over and distribution coefficients are first calculated for the frame. In place of a carry-over factor of 1/2, the precise carry-over factor (which is between 0 and 5 for members with constant moment of inertia) is used, and the far end of the member is not assumed fixed. The precise distribution factor is used to distribute moments, and this factor takes into account the degree of restraint at the far end of the member. Numerous examples are given illustrating the application of the method to rigid frames and continuous beams. Curves are also given for beams with varying moment of inertia.